Running really cool
05-04-2010, 09:38 AM
#2
05-04-2010, 10:48 AM
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Car: 1987 SC/1985 TA
Engine: 350/vortec/fitech
Transmission: T56
Axle/Gears: 3.27 9-bolt
Re: Running really cool
Yes. If the oil doesn't get above the boiling point of water and stay there long enough, water will stay trapped in the oil and form acids and sludge. Water vapor is a product of combustion.
That's why it's also important when infrequently starting up a car (while in storage, etc.) to let it run long enough for the oil to reach temp.
That's why it's also important when infrequently starting up a car (while in storage, etc.) to let it run long enough for the oil to reach temp.
05-04-2010, 10:52 AM
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Car: 1984 camaro Z28
Engine: 355 SBC
Transmission: 700 r-4
Axle/Gears: Strange 3:73 posi
Re: Running really cool
it will also run rich because the computer thinks it's still warming up.
05-04-2010, 03:36 PM
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Car: 05 CTS-V
Re: Running really cool
What is a typical cause of this besides the thermostat sticking open. I'm pretty sure that's not my issue because it's pretty new.
05-04-2010, 04:10 PM
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05-04-2010, 04:16 PM
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Car: 91 B4C/91 RS 305
Engine: L98 and L03
Transmission: 2xTH700R4
Axle/Gears: 3.23 LSD/2.73 Open
Re: Running really cool
it sounds like a bad thermostat to me. I've also seen it not seal correctly and let coolant by. Also if you're not firing on all cylinders it will do that too. My car was only running on 6 and it never got above 120 because the empty cylinders were acting like an air cooler. Car should run REALLY rough if that's what's going on
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05-04-2010, 05:27 PM
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Car: 05 CTS-V
Re: Running really cool
Right now my tempature gauge on my dash. I don't have an infrared thermometer to check right now. I'm guessing like most things on my car, the temp gauge is prone to failure? And my car isn't running rough, if this information is any helpful.
05-05-2010, 07:22 AM
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Car: 1987 SC/1985 TA
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Transmission: T56
Axle/Gears: 3.27 9-bolt
Re: Running really cool
That wavy thing with the pointer on your dash provides no accurate information on the actual state of nature at the end of its sensor.
05-05-2010, 07:45 AM
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Car: 92 chevy 1/2 4 wheel drive
Engine: 5.0L with TPI
Transmission: 700R4
Axle/Gears: 3.73
Re: Running really cool
I had to much water flow bypassing the theromstat through the heater on a tpi I swapped one time and it would warm up . ran very cold
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